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Permutations II

Explore techniques to generate all unique permutations from an integer list that may contain duplicates. Understand the problem constraints, optimize your solution using efficient algorithms, and practice coding in a hands-on environment to improve problem-solving skills for coding interviews.

Statement

For a given integer list, nums, which might contain duplicates, return all possible unique permutations derived from nums.

Note: The order in which the permutations appear doesn’t matter.

Constraints:

  • 1 ...